參數(shù)資料
型號: SN75C3223EDWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: Buffer和線驅(qū)動
英文描述: DUAL LINE TRANSCEIVER, PDSO20
封裝: GREEN, PLASTIC, SOIC-20
文件頁數(shù): 2/20頁
文件大?。?/td> 454K
代理商: SN75C3223EDWRG4
www.ti.com
TEST CIRCUIT
VOLTAGE WAVEFORMS
50
3 V
2.7 V
INVALID
Output
Receiver
Input
tinvalid
Generator
(see Note B)
FORCEOFF
tvalid
ROUT
FORCEON
Auto-
powerdown
INVALID
DOUT
0 V
3 V
DIN
CL = 30 pF
(see Note A)
VCC
0 V
2.7 V
0.3 V
0 V
Indeterminate
If Signal Remains Within This Region
for More Than 30 ms, INVALID Is Low
≈V+
0 V
≈V
V+
VCC
ten
V
50% VCC
2.7 V
0.3 V
Supply
Voltages
Auto-powerdown
disables
drivers
and
reduces supply current to 1
A
Valid RS-232 Level, INVALID High
EN
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVERS/RECEIVERS
WITH
±15-kV ESD PROTECTION
SLLS727A – MAY 2006 – REVISED JULY 2006
PARAMETER MEASUREMENT INFORMATION (continued)
A.
CL includes probe and jig capacitance.
B.
The pulse generator has the following characteristics: PRR = 250 kbit/s, ZO = 50 , 50% duty cycle, tr ≤ 10 ns,
tf ≤ 10 ns.
Figure 5. INVALID Propagation Delay Times and Supply Enabling Time
10
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SN75C3223EDWR DUAL LINE TRANSCEIVER, PDSO20
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